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What is meant by hard water ?...

What is meant by hard water ?

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Water that contains calcium and magnesium ions is said to be hard water .
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SURA PUBLICATION-CARBON AND ITS COMPOUNDS -ADDITIONAL QUESTION & ANSWER ( VERY SHORT ANSWERS )
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  2. What is saponification ?

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  3. What is meant by hard water ?

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  4. Why soap does not lather in hard water ?

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  5. How are detergents prepared ?

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  6. What are Bio degradable and Non-biodegradable detergents ?

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  12. Identify the compounds using the clues given below. This compound co...

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  13. Read each description given below and say whether it fits for etha...

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  14. Read each description given below and say whether it fits for etha...

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  17. CnH(2n+2) is the general formula of a homologous series of hydrocarb...

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  18. CnH(2n+2) is the general formula of a homologous series of hydrocarb...

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  19. CnH(2n+2) is the general formula of a homologous series of hydrocarb...

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  20. CnH(2n+2) is the general formula of a homologous series of hydrocarb...

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